#73B550
Closest named color: Turtle Green (#75B84F). oklch(70.6% 0.151 136), rgb(115, 181, 80).
Aa
Black text reads best on this color (8.45:1).
About this color
#73B550 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.151 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.009 away. Black text reads best on it, at 8.45:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.45:1 |
| White text | 2.48:1 |
Values
| HEX | #73B550 |
| RGB | rgb(115, 181, 80) |
| HSL | hsl(99, 41%, 51%) |
| OKLCH | oklch(70.6% 0.151 136) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #73B550 | 2.48:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #73B550 | 8.45:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #73B550 text on white | 2.48:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #73B550 text on black | 8.45:1 | AAA | Lc -53.4 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDC
oklch(93.5% 0.027 135)
-
Step 200
200
#CAE2C0
oklch(88.6% 0.052 136.4)
-
Step 300
300
#A5CF92
oklch(80.9% 0.094 136.2)
-
Step 400
400 (this color)
#73B550
oklch(70.6% 0.151 136)
-
Step 500
500
#4EA100
oklch(63.1% 0.188 136)
-
Step 600
600
#408700
oklch(55.5% 0.165 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E00
oklch(37.7% 0.112 136.1)
-
Step 950
950
#122E00
oklch(26.8% 0.079 135.7)
#73B550 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #BBA846 | 0.095 |
| Deuteranopia (no green cones) | #B1A257 | 0.095 |
| Tritanopia (no blue cones) | #71AF9F | 0.108 |
| Achromatopsia (no color) | #A4A4A4 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B550
#73B550
oklch(70.6% 0.151 136)
- #C581DF
#C581DF
oklch(70.8% 0.15 316.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #73B550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.009
- Boring Green #63B365 ΔE 0.027
- Asparagus #77AB56 ΔE 0.031
- Avocado #90B134 ΔE 0.034
- Leaf #71AA34 ΔE 0.035
- Dark Pastel Green #56AE57 ΔE 0.037
- Icky Green #8FAE22 ΔE 0.039
- Avocado Green #87A922 ΔE 0.040
Use #73B550 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.